Stylet



ENGLISH MEANING
noun
1.
A small poniard; a stiletto.
2.
An instrument for examining wounds and fistulas, and for passing setons, and the like; a probe, -- called also specillum.
3.
A stiff wire, inserted in catheters or other tubular instruments to maintain their shape and prevent clogging.
4.
Any small, more or less rigid, bristlelike organ; as, the caudal stylets of certain insects; the ventral stylets of certain Infusoria.